public override void Compile(Emitter.Emitter emitter)
{
var numTypes = new[] { "int", "float" };
var fromType = From.GetExpressionType(emitter);
var toType = To.GetExpressionType(emitter);
var stepType = Step.GetExpressionType(emitter);
// validate parameters
if (!fromType.IsAnyOf(numTypes) || !toType.IsAnyOf(numTypes) || !stepType.IsAnyOf(numTypes))
Error(Resources.errIntFloatExpected);
// from, to, step
From.Compile(emitter);
if (fromType != "float")
emitter.EmitConvertToFloat();
To.Compile(emitter);
if (toType != "float")
emitter.EmitConvertToFloat();
Step.Compile(emitter);
if (stepType != "float")
emitter.EmitConvertToFloat();
// invoke method
var method = typeof(MirelleStdlib.ArrayHelper).GetMethod("CreateRangedArray", new[] { typeof(double), typeof(double), typeof(double) });
emitter.EmitCall(emitter.AssemblyImport(method));
}
public override void Compile(Emitter.Emitter emitter)
{
// ensure this is a matrix
if (ExpressionPrefix.GetExpressionType(emitter) != "matrix")
Error(Resources.errIndexingNotAMatrix);
// ensure indexes are integers
if (Index1.GetExpressionType(emitter) != "int")
Error(Resources.errIntIndexExpected, Index1.Lexem);
if (Index2.GetExpressionType(emitter) != "int")
Error(Resources.errIntIndexExpected, Index2.Lexem);
// ensure assigned value is either int or float
var exprType = Expression.GetExpressionType(emitter);
if (!exprType.IsAnyOf("int", "float"))
Error(Resources.errMatrixItemTypeMismatch);
ExpressionPrefix.Compile(emitter);
Index1.Compile(emitter);
Index2.Compile(emitter);
Expression.Compile(emitter);
if(exprType != "float")
emitter.EmitConvertToFloat();
var method = emitter.AssemblyImport(typeof(MN.DenseMatrix).GetMethod("At", new[] { typeof(int), typeof(int), typeof(double) }));
emitter.EmitCall(method);
}
public override void Compile(Emitter.Emitter emitter)
{
var leftType = Left.GetExpressionType(emitter);
var rightType = Right.GetExpressionType(emitter);
var type = GetExpressionType(emitter);
// divide matrix by a number
if(type == "matrix")
{
Left.Compile(emitter);
// division is broken, therefore multiply by an inverse value
emitter.EmitLoadFloat(1);
Right.Compile(emitter);
if (rightType != "float")
emitter.EmitConvertToFloat();
emitter.EmitDiv();
var matrixType = typeof(MN.Matrix<double>);
var method = emitter.AssemblyImport(matrixType.GetMethod("Multiply", new[] { typeof(double) }));
emitter.EmitCall(method);
}
// divide complex numbers
else if (type == "complex")
{
Left.Compile(emitter);
if (leftType != "complex")
{
emitter.EmitUpcastBasicType(leftType, "float");
emitter.EmitLoadFloat(0);
emitter.EmitNewObj(emitter.FindMethod("complex", ".ctor", "float", "float"));
}
Right.Compile(emitter);
if (rightType != "complex")
{
emitter.EmitUpcastBasicType(rightType, "float");
emitter.EmitLoadFloat(0);
emitter.EmitNewObj(emitter.FindMethod("complex", ".ctor", "float", "float"));
}
emitter.EmitCall(emitter.AssemblyImport(typeof(SN.Complex).GetMethod("op_Division", new[] { typeof(SN.Complex), typeof(SN.Complex) })));
}
// divide floating point numbers or integers
else if (type.IsAnyOf("int", "float"))
{
Left.Compile(emitter);
emitter.EmitUpcastBasicType(leftType, type);
Right.Compile(emitter);
emitter.EmitUpcastBasicType(rightType, type);
emitter.EmitDiv();
}
}
public override void Compile(Emitter.Emitter emitter)
{
Resolve(emitter);
// operands
Left.Compile(emitter);
emitter.EmitConvertToFloat();
Right.Compile(emitter);
emitter.EmitConvertToFloat();
// magic method
var method = emitter.AssemblyImport(typeof(Math).GetMethod("Pow", new[] { typeof(double), typeof(double) }));
emitter.EmitCall(method);
// convert back
if (IsInt)
emitter.EmitConvertToInt();
else
emitter.EmitConvertToFloat();
}
public override void Compile(Emitter.Emitter emitter)
{
// retrieve matrix dimensions
var height = MatrixItems.Count;
var width = MatrixItems[0].Count;
// retrieve info about matrices
var matrixType = typeof(MN.DenseMatrix);
var matrixCtor = emitter.AssemblyImport(matrixType.GetConstructor(new[] { typeof(int), typeof(int) }));
var matrixSet = emitter.AssemblyImport(matrixType.GetMethod("At", new[] { typeof(int), typeof(int), typeof(double) }));
var tmpVar = emitter.CurrentMethod.Scope.Introduce("matrix", emitter.AssemblyImport(matrixType));
// create matrix
emitter.EmitLoadInt(height);
emitter.EmitLoadInt(width);
emitter.EmitNewObj(matrixCtor);
emitter.EmitSaveVariable(tmpVar);
// set items
for(var idx1 = 0; idx1 < MatrixItems.Count; idx1++)
{
// ensure all lines have the same number of items
if (idx1 > 0 && MatrixItems[0].Count != MatrixItems[idx1].Count)
Error(String.Format(Resources.errMatrixLineLengthMismatch, MatrixItems[0].Count, idx1+1, MatrixItems[idx1].Count));
for(var idx2 = 0; idx2 < MatrixItems[idx1].Count; idx2++)
{
var item = MatrixItems[idx1][idx2];
var itemType = item.GetExpressionType(emitter);
if (!itemType.IsAnyOf("int", "float"))
Error(Resources.errMatrixItemTypeMismatch, item.Lexem);
emitter.EmitLoadVariable(tmpVar);
emitter.EmitLoadInt(idx1);
emitter.EmitLoadInt(idx2);
item.Compile(emitter);
if (itemType != "float")
emitter.EmitConvertToFloat();
emitter.EmitCall(matrixSet);
}
}
emitter.EmitLoadVariable(tmpVar);
}
public override void Compile(Emitter.Emitter emitter)
{
var fromType = Expression.GetExpressionType(emitter);
var toType = ToType;
var simpleTypes = new[] { "bool", "int", "float", "long", "complex" };
if (emitter.ResolveType(toType) == null)
Error(String.Format(Resources.errTypeNotFound, toType));
// compile the expression itself
Expression.Compile(emitter);
// idiotic case?
if (fromType == toType) return;
if(fromType == "null")
{
if(toType.IsAnyOf(simpleTypes))
Error(String.Format(Resources.errInvalidNullCast, toType));
// no actual casting is required
}
// cast simple types
else if(fromType.IsAnyOf(simpleTypes))
{
if (toType.IsAnyOf(simpleTypes))
{
switch(toType)
{
case "bool": emitter.EmitConvertToBool(); break;
case "int": emitter.EmitConvertToInt(); break;
case "float": emitter.EmitConvertToFloat(); break;
default: throw new NotImplementedException();
}
}
else
Error(String.Format(Resources.errInvalidCast, fromType, toType));
}
else
{
// complex type to simple type: search for a conversion method
if(toType.IsAnyOf(simpleTypes))
{
// to_b, to_f, to_i
string methodName = "to_" + toType[0];
MethodNode converter = null;
try
{
converter = emitter.FindMethod(fromType, methodName);
}
catch
{
Error(String.Format(Resources.errInvalidCast, fromType, toType));
}
// call the method
emitter.EmitCall(converter);
}
else
{
if (fromType.Contains("[]") || toType.Contains("[]"))
Error(Resources.errCastArray);
if(!emitter.TypeCastable(fromType, toType))
Error(String.Format(Resources.errInvalidCast, fromType, toType));
var type = emitter.FindType(toType);
emitter.EmitCast(type.Type);
}
}
}
/// <summary>
/// Generate code to setup the currently defined emitter
/// </summary>
/// <param name="emitter"></param>
private void CompileInitiation(Emitter.Emitter emitter)
{
var emitterType = emitter.FindType(EmitterID);
var tmpVar = emitter.CurrentMethod.Scope.Introduce(EmitterID, emitterType.Type);
// tmp = new emitterN()
emitter.EmitNewObj(emitter.FindMethod(EmitterID, ".ctor"));
emitter.EmitSaveVariable(tmpVar);
// step
if (Step != null)
{
// validate step
var stepType = Step.GetExpressionType(emitter);
if (!stepType.IsAnyOf("int", "float"))
Error(Resources.errEmitStepExpected);
// tmp.Step = step
emitter.EmitLoadVariable(tmpVar);
Step.Compile(emitter);
if (stepType == "int")
emitter.EmitConvertToFloat();
emitter.EmitSaveField(emitter.FindField(EmitterID, "step"));
}
// distribution
if (Distribution != null)
{
// validate distr
if (Distribution.GetExpressionType(emitter) != "distr")
Error(Resources.errEmitDistributionExpected);
// tmp.Distr = distr
emitter.EmitLoadVariable(tmpVar);
Distribution.Compile(emitter);
emitter.EmitSaveField(emitter.FindField(EmitterID, "distr"));
}
// limit
if (Limit != null)
{
// validate distr
if (Limit.GetExpressionType(emitter) != "int")
Error(Resources.errEmitLimitExpected);
// tmp.Distr = distr
emitter.EmitLoadVariable(tmpVar);
Limit.Compile(emitter);
emitter.EmitSaveField(emitter.FindField(EmitterID, "limit"));
}
SaveClosuredVariables(emitter, tmpVar);
// register emitter in the system
emitter.EmitLoadVariable(tmpVar);
var registerMethod = emitter.AssemblyImport(typeof(Simulation).GetMethod("RegisterEmitter", new[] { typeof(EventEmitter) }));
emitter.EmitCall(registerMethod);
}
public override void Compile(Emitter.Emitter emitter)
{
var leftType = Left.GetExpressionType(emitter);
var rightType = Right.GetExpressionType(emitter);
var type = GetExpressionType(emitter);
// repeat a string
if (type == "string")
{
Left.Compile(emitter);
Right.Compile(emitter);
emitter.EmitCall(emitter.FindMethod("string", "repeat", "int"));
}
// multiply matrices
else if(type == "matrix")
{
var matrixType = typeof(MN.Matrix<double>);
// matrix by matrix
if(leftType == rightType)
{
Left.Compile(emitter);
Right.Compile(emitter);
var method = emitter.AssemblyImport(matrixType.GetMethod("Multiply", new[] { matrixType }));
emitter.EmitCall(method);
}
else
{
// matrix should be the first in stack
if(leftType == "matrix")
{
Left.Compile(emitter);
Right.Compile(emitter);
if (rightType != "float")
emitter.EmitConvertToFloat();
}
else
{
Right.Compile(emitter);
Left.Compile(emitter);
if (leftType != "float")
emitter.EmitConvertToFloat();
}
var method = emitter.AssemblyImport(matrixType.GetMethod("Multiply", new[] { typeof(double) }));
emitter.EmitCall(method);
}
}
// multiply complex numbers
else if (type == "complex")
{
Left.Compile(emitter);
if (leftType != "complex")
{
emitter.EmitUpcastBasicType(leftType, "float");
emitter.EmitLoadFloat(0);
emitter.EmitNewObj(emitter.FindMethod("complex", ".ctor", "float", "float"));
}
Right.Compile(emitter);
if (rightType != "complex")
{
emitter.EmitUpcastBasicType(rightType, "float");
emitter.EmitLoadFloat(0);
emitter.EmitNewObj(emitter.FindMethod("complex", ".ctor", "float", "float"));
}
emitter.EmitCall(emitter.AssemblyImport(typeof(SN.Complex).GetMethod("op_Multiply", new[] { typeof(SN.Complex), typeof(SN.Complex) })));
}
// repeat array
else if (leftType.EndsWith("[]"))
{
Left.Compile(emitter);
Right.Compile(emitter);
var method = emitter.AssemblyImport(typeof(MirelleStdlib.ArrayHelper).GetMethod("RepeatArray", new[] { typeof(object), typeof(int) }));
emitter.EmitCall(method);
}
// multiply floating point numbers or integers
else if (type.IsAnyOf("int", "float"))
{
Left.Compile(emitter);
emitter.EmitUpcastBasicType(leftType, type);
Right.Compile(emitter);
emitter.EmitUpcastBasicType(rightType, type);
emitter.EmitMul();
}
}